condition	mean	min	max
4 h after light	10.692913	10.359216	11.02661
8 h after light	8.558795	8.387326	8.730264
12 h after light	8.9606005	8.622243	9.298958
4 h after dark	9.8913195	9.35181	10.430829
8 h after dark	9.105605	8.396475	9.814735
12 h after dark	8.948263	8.948263	8.948263